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Observations of Life Cycle Stages in Protists and Plants
Resting spore withstands poor conditions
To observe: Place a drop from the cell culture between a slide and cover slip.
Gametangium: cell that produces gametes by mitosisHaplontic Life Cycle of Ulothrix
Sporangium: cell that produces spores by mitosis
Spore: haploid cell that can grow by mitosis
Gametophyte: multicellular haploid structure that produces gametes
To observe: Place a drop from the cell culture between a slide and cover slip.Include some green fibers in your sample.
You do not need to distinguish between gametangia and sporangia.
Sporophyte: multicellular diploid structure that produces spores by meiosis
To observe: Use a scalpel and/or forceps to take a small sample of the leafy structure and place it between a slide and cover slip.
You do not need to distinguish between sporophytes and gametophytes.
Antheridium: organ that produces sperm by mitosis
contain sporangia(singular: sorus)
Sperm within Antheridia
Gametophyte with Antheridia
Each archegoniumcontains one egg
Gametophyte with Archegonia